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An 8.5-kg object passes through the origin with a velocity of 42 m/s parallel to the x axis. It experiences a constant 19-N force in the direction of the positive y axis. Calculate (a) the velocity and (b) the position of the particle after 15 s have elapsed

An 8.5-kg object passes through the origin with a velocity of 42 m/s parallel to the x axis. It experiences a constant 19-N force in the direction of the positive y axis. Calculate (a) the velocity and (b) the position of the particle after 15 s have elapsed

Grade:11

1 Answers

Aditi Chauhan
askIITians Faculty 396 Points
6 years ago
The force of 19 N acts in the positive y direction along the unit vector \widehat{j}, therefore one can write,
236-770_1.PNG
236-264_1.PNG
Round off to two significant figures,
236-355_1.PNG
236-427_1.PNG
Round off to two significant figures,
236-2146_1.PNG

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